Mobile First - Building a Progressive Web App

Angular: The Full Gamut Edition

Charlie Greenman
April 27, 2021
3 min read

Why Build a Progressive Web App?

When building a an enterprise application, think about building a Progressive Web App. It will allow your web experience to be built to feel as if it is a native app experience. Not only will it make it progressive, but it will make your users feel as if they are a part of an experience that is all encompassing.

The Technical Benefits of a PWA

  1. Progressive - Work for every user, regardless of browser choice because they're built with progressive enhancement as a core tenet.

  2. Responsive - Fit any form factor, desktop, mobile, tablet, or whatever is next.

  3. Connectivity independent - Enhanced with service workers to work offline or on low quality networks.

  4. App-like - Use the app-shell model to provide app-style navigation and interactions.

  5. Fresh - Always up-to-date thanks to the service worker update process.

  6. Safe - Served via TLS to prevent snooping and ensure content hasn't been tampered with.

  7. Discoverable - Are identifiable as "applications" thanks to W3C manifests and service worker registration scope allowing search engines to find them.

  8. Re-engageable - Make re-engagement easy through features like push notifications.

  9. Installable - Allow users to "keep" apps they find most useful on their home screen without the hassle of an app store.

  10. Linkable - Easily share via URL and not require complex installation.

Kudos to Addy Somani for this List ^1

We will go into detail in the following chapters, into detail

Developing a PWA - The Toolset - An Overview

When Developing Mobile First, there are three tools, which will be particularly advantageous:

  1. Physical Mobile Devices [^2]

  2. Sauce Labs [^3]

  3. Chrome Dev Tools [^4]

    Developing a PWA - Software - An Overview

When developing a PWA, it is important for us to keep in mind, that there will be specific pieces of software to develop. Of course, there is an official PWA checklist ^5, but specific technologies, would be as follows:

  1. Service Worker

  2. Manifest

  3. Lighthouse

[^2]: A moment on which one's it is, that you should work on

[^3]: Section on why we chose Sauce Labs, over Browser Stack

[^4]: Section on why we chose Chrome Dev Tools, over Firefox

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